Results 41 to 48 of 48
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May 20th, 2006 08:45 PM #41
The problem is, a metal tube conducts heat from the engine bay into the intake tract... stock systems are designed for ambient temperatures, and the sensors don't like hot air. It's all fine for some internet gurus to theorize about this, but some guys in our club have had sensor issues due to metal tubes. That's why we insulate them. Once insulated, such problems disappear.
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May 20th, 2006 08:55 PM #42
ung akin din metal piping, how do i insulate it? ung roof insulator ba ok na? ung parang styrofoam na may silveplastic sa one side..... balutan ko na lng non....
TIA
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May 20th, 2006 11:16 PM #44
Yup... wag lang idikit sa engine mismo (baka matunaw)... best look for the stuff that has fire-ratings, some of the stuff for sale isn't labelled as to their maximum serviceable temperature.
I digress, though... the sensor problem doesn't happen to all cars (it's more prevalent on Fords and Nissans), but the concommitant drop in power during hot days and traffic is very real. That's the reason why I don't like the saucer type Simota air filter for carburated cars... on that one, you can really feel the heat...
In other words:
steel - okay for most, but not good in traffic
plastic - better
stock rubber tubing - has kinks that lessen power gains from filters, but has best heat protection...
Also, a heat shield (steel, from Simota, covers side of the filter facing engine) doesn't entirely stop heat, but it makes the filter assembly a bit less sensitive to engine bay heat.... the plastic cone cover also helps, but it limits gains a tiny bit.
Siguro, the writer of the article was referring to cold-air-intakes... with those, the effects of steel tubing are less apparent, but still real, as experienced by the TRS crew during the Lynx cup series... after they wrapped their sensors and tubing, electronic glitches all but disappeared.
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May 21st, 2006 02:46 PM #45Originally Posted by niky
Originally Posted by niky
Originally Posted by niky
Originally Posted by niky
one more question... why these vendors manufactures steel piping if it will drastically affect your engine performance..on a loosing part... same i found not only from Simota, but HKS, Apexi, K&N, AEM, Injen and the rest?Last edited by bhongskie; May 21st, 2006 at 02:49 PM.
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May 21st, 2006 03:11 PM #46hindi na kailangan palitan yun stock na tubing ng gsr into metal or pipe tubing. Yun airfilter naman na cone type mejo nasa gilid kaya hindi naman nakakahigop ng hot air. Pero kung traffic at mainit talaga makina mo wala naman difference din sa hatak. Ang advantage lang pag vold weather at night driving
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May 21st, 2006 03:40 PM #47
Yung metal tubing kasi provides smoothest airflow, important in generating good hp gain numbers on the dyno. No, you won't see temperature differences on your temp gauge, as the engine automatically adjusts... but like quiksie said, thanks to the heat difference, you won't feel the advantages of an in-bay cone in traffic unless you shield or insulate it.
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May 21st, 2006 05:45 PM #48
salamat po mga gurus..... now it is me who's going to decide now, which is which....Thanks a lot!
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